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lib/angular/docs/partials/api/angular.identity.html

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+<h1><code ng:non-bindable="">angular.identity</code>
+<span class="hint">(API in module <code ng:non-bindable="">ng</code>
+)</span>
+</h1>
+<div><h2 id="Description">Description</h2>
+<div class="description"><p>A function that returns its first argument. This function is useful when writing code in the
+functional style.</p>
+
+<pre class="prettyprint linenums">
+     function transformer(transformationFn, value) {
+       return (transformationFn || identity)(value);
+     };
+   </pre></div>
+<h2 id="Usage">Usage</h2>
+<div class="usage"><pre class="prettyprint linenums">angular.identity();</pre>
+</div>
+</div>